To provide for a study by the National Academy of Sciences of potential impacts of climate change on water resources and water quality.

[AI summary unavailable — showing source text] Directs the Administrator of the Environmental Protection Agency (EPA) to arrange for the National Academy of Sciences to prepare a two-part study of potential impacts of climate change on water resources and water quality, addressing issues of: (1) hydrology and water quality (including the potential for impacts to wetlands, shoreline erosion, and saltwater intrusion as a result of sea level rise, as well as significant regional variation in precipitation events from historic patterns); and (2) policy considerations (including an identification of the scientific consensus, assumptions, and uncertainties related to predictions of climate change in the United States and of steps to assess emerging information and identify appropriate response actions).…